Finding the Third Proportional to 71,646,039 and 155,456,172

Step by Step Solution

1. Step 1: Write the proportion equation
   71,646,039 : 155,456,172 = 155,456,172 : x
2. Step 2: Convert to fraction form
   71,646,039/155,456,172 = 155,456,172/x
3. Step 3: Cross multiply
   71,646,039x = 155,456,172 × 155,456,172
4. Step 4: Simplify right side
   71,646,039x = 24,166,621,412,893,584
5. Step 5: Solve for x
   x = 24,166,621,412,893,584/71,646,039
6. Step 6: Final answer
   x = 337,305,756.89